2015394521

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{7159}}^1$

素因数の和:7604

約数の個数: 16

約数和(自身を含む): 2328775680

約数和(自身を除く): 313381159

約数列:

[1, 7, 131, 307, 917, 2149, 7159, 40217, 50113, 281519, 937829, 2197813, 6564803, 15384691, 287913503, 2015394521]

約数ペア:

[(1, 2015394521), (7, 287913503), (131, 15384691), (307, 6564803), (917, 2197813), (2149, 937829), (7159, 281519), (40217, 50113)]